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Thinking about bacterial populations as multicellular organisms

J A Shapiro1

  • 1Department of Biochemistry and Molecular Biology, University of Chicago, Illinois 60637, USA. jsha@midway.uchicago.edu

Annual Review of Microbiology
|January 19, 1999
PubMed
Summary
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Bacterial multicellularity, involving intercellular communication and coordination, is widespread and impacts various phenotypes. This bacterial cooperation offers benefits like resource access and enhanced survival through cell differentiation.

Area of Science:

  • Microbiology
  • Bacterial Physiology
  • Cellular Communication

Background:

  • Multicellularity is increasingly recognized as a common bacterial trait.
  • Intercellular communication and coordinated behaviors are prevalent in prokaryotes.
  • Diverse signaling molecules and signal transduction networks regulate bacterial multicellularity.

Purpose of the Study:

  • To review the current understanding of bacterial multicellularity.
  • To highlight the mechanisms and benefits of bacterial intercellular communication.
  • To discuss examples of coordinated multicellular behaviors in bacteria.

Main Methods:

  • Literature review of studies on bacterial multicellularity.
  • Analysis of identified signaling molecules and transduction pathways.

Related Experiment Videos

  • Case study examination of specific bacterial multicellular behaviors (e.g., colony development, swarming, metabolic cooperation).

    • Main Results:

    • Widespread occurrence of multicellularity and coordination across bacterial species.
    • Identification of diverse signaling molecules and sophisticated signal transduction networks.
    • Demonstration of benefits including division of labor, resource utilization, defense, and differentiation.

    Conclusions:

    • Bacterial multicellularity is a complex and advantageous strategy.
    • Intercellular communication is crucial for coordinated behaviors and adaptation.
    • Multicellular cooperation enhances bacterial survival and ecological success.